{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Effect", "Treatment.Dosage", "Subject.Age", "Combination.Drug", "Subject.Population", "Treatment.Route", "Treatment.Freq", "Subject.Race", "Treatment", "Subject.Gender", "Subject", "Treatment.Duration", "Treatment.Drug"]}], "input": "The aim of this study was to describe the occurrence of acute coronary syndromes in 3 cases of rituximab infusions."}
{"potential therapeutic event": []}